Coil winding device



May 19, '1953 K, c. B u G s COIL WINDING DEVICE Filed March 11. 1949 4 Sheets-Sheet 1 r J @A @w SN QM Q May 19;.19531 v K. c. puss 2,638,943

' coIL wmumg DEVICE: med March 11. 1949 4 sum- INVENTOR. W W99 K. c. BUGG con. wINpmcpEvIcE May 19, 19573 4 Shasta-Sheet.- 4.

l and latch 11. 1949- INVENTOR; 6 499 their. final vdesired shape.

Patented May 19, 1953 12 43 COIL WINDING DESZICE Keel C- Bu s. .F r Wayne, In -i a si ns b mesne assignments, to K'e'ndi'ck Manufacturing Conipany; Incl, Fort Wayne, 11111., a corporation of Indiana; nominee Ma tia -Mae .9.4? ware a e m 4,; rra2-1.

.1 V i This invention pertains to a winding machine for winding wire into coils of any selectedshape .in a continuous winding operation which shapes .tor windings, in the radio and teleyision,.,fields,

such as for various tubes, andforuother uses.

Difii'culty has been experienced inlprovidinga machine for winding a continuous strand oiwire into a coil wherein there isa uniformityof ,Winding,.and this is particularly, encountered Whre .the wire is first wound. in acoil of one, form and thereafter reshaped. vThe reshaping or bending necessary has been found todisplace the adjacent strands offthe wire soth'at they...are

apt to crossone anothenor. Where severe'..bendtially any'selected shape, so that coils arewound bythe machine in the final 'shapedesiredl Another object of theinvention visjto provide a machine for winding coils from a continuous wire, wherein the wires making up partsof the winding, or the wires forming .the striations ,of the winding, are kept in uniform and proper relativeiposition one with respect. to. .theother.

Another object ofv the invention is to, provide a machine for'winding coils from. wire. wherein the coils, produced by themachine, can, always be made of identicalsize and shape.

Another object of the invention is topro ide a machinewhich is adapted to wind wire coils atextreznely high speeds, whereby .thecoils may be manufactured economically, but wherein the uniformity of the windings is not sacrificed.

Another, object of the invention is toprovide a machine for winding coils, wherein the coils can be manufactured without setting undamag- .ing stresses in thewireiorming the coi1s, the

machine being particularlyadapted to windcoils wherein bends .or turns are incorporated, the ma hin b n a tsdt P a e W ndth Wir atsaid turns so that ;there. is no damage to the covering of .the nor. it, there any undue stretching or stressing of the wire.

2 .Anothcrn ljfi t f the nve tion i ere-vis a maQllineior winding coils which isada ted to complet therequired t rnsn e'sary .pletet soi an he re ermi ed H v. aur sev. e lfrqm thew r r maini in th t a .9 s ol rom w ich hese new are a Another object of the invention is to provide a s l. windin de ise. whic i swaps .ma s and mai a n. but? 9 u d 9 tiqn.

ii iaitl e ".@bies 9 ih in snt q s i Pro id a c .111 91" winning 90 5. wher i the Win r s v.suc .a where the a ers-ted ma. Wa le ra than in ocat m ineri tp i fimmiien.i to e ri id nsi a ue jfi l a be quick ivs undandfl e Y mpr df rqm th machine-.5 that. new W n? 4; li sra l s f te th q i started thereb -m tainin l I 91- productive turn of the n chine at a tr Pri s ini'tiew the an. re sea of construction and pe qnaswiil be, Jul-1 se s ibe ..andn isularl e t A th s ecifi at ons-sw n s an lQI imt? fled 30.1mm). r

I thed auinss hich illu t at e bsdimse s th neri aae wher like, e tem lb ja Q sar use t des nat l k Pa t F u 1, is. a r m arye dls eta no a sei i ;ind uslderiq ,-.anib. dri th i a 11? Figure 2' is 'a partly sectional andeley nal ..-ti.ew. .th .ous a'poriisnp the so lw n ,n v ice, illustrated .inFigure 1, .the 1ial' p art brine ta n substa t al n; t e l n a 1 40.... .bi,t 1 +29 F u 1; .-F e1. f 4 na i ii sa iieea an pl ari o th Windi s u ill st neure 1 and-2 th se iona par be t k substantially in the plane I as. indicated by the wmn h3f3l Fi 'lilf I a 1 r a. iasmeu a ten Pla V ew of t ps ..tlias l.win iasfld r i l innisur 1, 9.3. ncl siv l th u i' i heada s z im eesu tsr -reur :5, i a ran .o .the. weav r a Jploclg pf the coil winding devicelil lu stratedfin Ewes; to qbmcmsjvw .fEi u re S is aj 'side' elevation of the Jolockil- Ju t vt d.i. s1 Fi u e" a side, elst tio of. the h din finger member used with the winding 1 id .block i F w fiai fi: ,.-F nre.- es?! ele a i n e memb lnstr ated Figure 7, ,lqoking. toward the: left as viewedinFigurel fl; s atop plan-Viewof the .movab 'c DI "th Tw nd e; the. f ull'fline' pos ro'tigsfh I pos of the fingei's when the cleition vice is in one cycle of operation, the dotted line position showing said fingers in another cycle of operation, each arrow indicating the direction of rotation of the adjacent finger; and

Figure 10 is a perspective elevation of a form of coil wound by the device illustrated in Figures 1 to 9, inclusive.

In the device illustrated in Figures 1, to 9, inclusive, the base I is provided with the pillar block assembly I2 (Figures 2 and 3) comprising the journal I4 secured by brackets I6 to the base I8, which in turn is secured to the base I0, journal I4 being provided with spaced antifriction bearings 22 (Figure 3) in which shaft 24 is journalled. Shaft '24 is provided with the operating pulley 26 for accommodating the belt 28, said belt being driven through the pulley 30 by a prime mover such as the motor 32. A suitable clutch (not shown) is preferably interposed between motor shaft 34 and the pulley 30.

Shaft 24 is provided with the socket 36 (Figures 2 and 3) communicating with the sprin socket 38 in which spring 40 is disposed, spring 40 bearing against the inner end of tang mating member stem 42 of tang mating member 44,

urging said member outwardly of the shaft 24,

a pin and slot connection 46 being provided between shaft 24 and stem 42 to limit the outward movement of member 44. ber 44 is provided with the head 48 having the slot 50 for receiving tang 52, tang 52 being provided on the tang head 54 secured at one end to shaft 56. Shaft 56 is journalled in antifriction bearings 58 provided in recess 59 (Figures 2, 3, 5 and 6) of the winding head block or housing 60, and extends through passage 6| of said block and is provided at its outer end with pinion 62 (Figures 1, 2 and 3).

Base I 0 is provided with pedestal "64 (Figures 1 and 2) to which the forming die block 66 is secured by bolts 6'! (Figure 4), said block being provided at its outer end with the forming die 68 (Figures 3 and 4) which in the form shown, is illustrated as comprising spaced facing fingers I0 having inner arcuate surfaces I2 communicating with the outer diverging guide surfaces I4.

The block '66 is provided with the cylindrical passage I6 (Figures 2 and 3) the axis of which is aligned with the axis of shaft 24, and sleeve I8 is journalled in passage I6, sleeve I8 being adapted to be rotated by means of knurled wheel 80. Sleeve I8 is provided with the journal 82 in which the forward end of shaft 24 is journalled, the forward end of sleeve I8 bein thread as at 84 for engagement with comp1e-- mentary threads 86 provided 'on spaced holding fingers 88. Fingers 88 are disposed on member 89 (Figures 2, 3, '7 and 8), generally cylindrical in shape, and received in recess 90 of block 60, being secured thereto as by stud 9 I the free ends of said fingers slidably fitting within the passage I6 of block 66. Winding head block 60 is provided with the spaced, vertically extending, arcuate forming die portions 92 (Figures 3 and 5) complementary to the adjacent surfaces I2, being adapted to be spaced therefrom a predetermined distance, when block 60 is in assembled position on block '66, to form recesses or slots 95 for the reception of the windings of the coil 94 (Figure 10) formed by the wire 96.

The winding head block 60 is provided with the spaced, upper and lower, arcuate flanges 98 and I00 (Figures 2, 3, 5 and 6) adapted to en- Tang mating memgage top and bottom surfaces of the block 66. Winding block 60 is provided with the spaced upper and lower forming shrouds or circular plates I02 and I04 which, when the block 60 is in assembled position with respect to the block 66, as illustrated in Figure 2, is in spaced relation to the top and bottom surfaces of the die block 66 in order to provide forming dies to accommodate the top and bottom arcuately formed legs I06 and I 08 of the coil 05. Legs I06 and I08 are formed of wire windings connected by the vertical legs I I0 'of said wire windings which lie along the side of block 6 6 within the slots 94 formed between the arcuate surfaces I2 and 92, arcuate legs I06 and I 08 being formed as the coil is being made by the arcuate flanges 98 and I00.

Block '60 and plates I02 and I04 have bearing sleeves H4 and H6 extending therethrough and fixed therein, and shafts H8 and I 20 extend through said sleeves, being provided at their outer ends with top and bottom wire guiding members I22 and I24 (Figures 2, 4 and 9), said members being provided with the substantially hook-shaped bevelled wire guide fingers I26 and I28 bevelled toward the respective adjacent plates I02 and I04. Members I22 and I24 are disposed to rotate in opposite directions as illustrated by the arrows shown in Figure 9, that is, in the direction in which each hook point faces, shafts H8 and I20 being provided with the bevel gears I30 and I32 which are adapted to mesh with and be driven by bevel gear I34 fixedly secured to shaft 56, said bevel gears being shown as of the same diameter whereby shafts H8 and I20 rotate at the same speed as shaft 56. Block 66 is provided with the headed pin I36 (Figures 1 and 4) secured at one side of the block, the head of said pin forming a spring seat for one end of spring I38, the opposite end of said spring urging the movable washer I40 toward block 66 whereby a readily releasable fastening means is provided for one end of the wire 96 to be wrapped in the form of the coil illustrated in Figure 10.

Pinion 62 meshes with pinion I42 (Figures 1 and 2) of the same diameter, fixedly mounted on the hub I44 of sprocket I46, the hub of said sprocket being rotatably mounted on shaft I48 secured at one end in the top fiange I49 of block '60 and r at the other end to the handle plate I50, a suitable positioning collar I5I being interposed between hub I44 and plate I50. Chain I52 passes around sprocket I46 and around sprocket I54, sprocket I54 being of the same diameter as sprocket I52 and having a hub I56 (Figure 2) rotatably mounted on the shaft I58, disposed in parallel relation with the shaft I48, and having its opposite ends secured to bottom flange I5'I of block 60 and to plate I50, a suitable positioning collar I59 being interposed between hub I56 and plate I50.

Chain I52 is provided with the wire wrapping guide or needle I60 secured to said chain to travel therewith. Needle I60 is provided with the bod portion I62 (Figures 3 and 4) and the spaced flange I64 providing a cutting slot I66. Flange I64 and body I62 are provided with aligned passages I66 and H0, respectively, passages I68 and H0 being preferably flared at the opposite ends of the needle and extending toward the adjacent slot II2 moving between the entrance to said slot provided between die portions 92 and the flared portions I4 of block 66. The inner end of the needle I60, that is, the

engages discharge end of passage H is .so idisposedthat it travels in vertical lines-closely adj acent; to the paths described bytthe notches formedt by the junction between fingers I26 .andsiwiandtheir respective members I22 and H25. Passages let and-110 of needle it: are sov disposed; thatwhen at least the discharge end oi? passage) Ill]. is substantially .in a horizontal plane through theaxis of-shaft M5, the notch of linger H6 is ina vertical plane passing through the axes .of shafts. M8 and 458, and the gearing (I30, .132, 534, 11:62 and M2) of the winding-head is such thatthe -members-l22 and E24 rotate in/a ratioof 1 1:02 with respect to the rotation of: sprockets 14.6 and H54.

Shaft it is provided .withgear H2 LFigures 2 and 3) adapted to drive gear iii through-a gear train indicated general-lyat- M6,; gear train i1 5 being variable andselected to give the required rotation toshaft Hi8. Shaft Ht-is journalled .in brackets 18% and-'lfi secured as'at tilt and=t86 to the base i Q and are: -clisposed to zlocate the shaft- I13 in parallel relationand adjacent .to shaft 2-4. Shaft I78 is provided-with the cutter blade-timingplate-'lfiil notchedas at Jill] and provided with a notch controlfinger492 disposed on=the trailing edge of notcl1. i96,--.p1ate 188 rotating in the direction of the arrow illus- *tr-atedin -Figurel. -Plate liltisrotatably, but friction-ally; mounted on'shaf-t H8 and finger 192 projects slightly beyond theperiphery of plate 188 and-"is'pivoted theretoasat 496, being providedwith the spring lilturging the finger slightlyinto notch I96; the distance thatthe blade 192 -can-project into the notch being regulated by the pin and slot connection 1&8 -between finger 192 andplate 188.

*Detentillil (Figures 1 and 4) is provided-on the slide bar -2fifiydetent 200 being provided-with the flange 2% extending across the periphery 'of plate 188 and adapted to be received-in. notch 19c. Supporting-bracket 2% is secured to base I ii; and slide-bar 202 is slidably mounted on-saidbracket through-pin andslot connections 2% and m, the axis ofslide bar-262'beingdisposed to intersect the axis of shaft W8. Bar202 isurged toward-shaft iii; by-rneans-of spring 212 secured at oneendas air-2M to bracket 206 and-at'its other-end as at'2i6 to "one'end-of' cutter-lever 218. Cutter lever 2-l8- is pivoted asat 220 to bracket-266, and the upper end-of 1 saidlever is providedwith the projection???-engaging the outer end 224 of-slide- 202. Slide 292 isthus urged toward-shaft M8 by spring 252, beinglimited in its extreme --movements of translation l through the --pin and slot connections-2B8 "and 210.

-In order to -mo-ve the slide bar 282- adirection-awayfrom shaft l'lt, apin 2-26 --is provided on said slide-bar extending threugh the slot 228- providedinbracket-dim and extending-in the direction of the axis of bar 202. The lower end of cutter lever 218 isprovided with the cutter blade Z-tllurged by the spring 212 in a direction to enter thecuttingslot 466 of the needle Hi0.

'while only-one notch I90, and iinger-l=92 is illustrated'of course, it is to be understood that any number may be used, depending upon :the timing desired. For the purpose-of this application itwill be sufficient thatonlyone-notch 1.9.0 and associated 'fingers. l92sbe illustrated, the timing \of .the "shaft. all?! and, consequently .vo-f tine-plateits, bein controlled .by :theselection iofigearing H6.

Wm- 61G and blo ks r i lustrated i0 3 .wiM-

6 ingthe coil as illustrated in Eigure lo thatis a coil wherein vertical legslID are formed ,cvo nnectedhy arcuate connectin legs llJ6 and l08 (formed at the time .of windin it wu1, oi -course, be understood. that dies for .shapingthe winding in any desired; hape may be used.

vThe. coil-illustrated in Figure 10 is adapted particularly tobeused as acathode ray-tube deflection coil .and must .be wound extremely accurately, and the adjacent Wire str ands, forming; thecomposite; legs of the c-oil,;must be held to perfect over-a1l dimension, and there must not .be any interlacing or crossingof the adjacent .wires,.nor..must there ,be vany damageto the .wireas by cuttingorstretchingwhere the turns, in this case are; made.

Assuming that is is desiredto winda coil,;which byway of illustration maybe asillustrated in .=F..'igure 10,.zthe winding device isassembled as shown in Figures, 1 to/i, inclusive, the needle 69 being disposed substantially as shown in Figure 1, wherein the outlet of passageplfiit is in .a horizontal plane through; the axis of shaft I48, and

the notches, of fingers lit and 128 are in a vertical plane through shafts, Hi3 and i 58, guide fingers I25 and. i28extendingtoward the handle 150. The wire 23.2 to be used for winding is led from the storage device, through .a tensioning device, preferably as illustratedin Applicants .applicationSerial No. 87,072, filed April 12,19 i9,

now-Patent No. 2,552,08 passing through a guide eye (not shown) between the. tensioning device and needle Hit, which guide eye, is preferably in alignment with the axis voi shaftjt. 'The wire from .theguide. eye passes through passages 68 and 'lldand, ispassed downwardly through the outerslotiiZ (the one at. the rightoifigure i) and is passed .cut of thebottom of said ,slot

.will causev rotation of the pulley (sill, assuming the clutch to be operative, causing the belteil to rotate pulley 2S, rotating shafts 2t and 1;! 8 in. their proper, selected timed relation.

Rotation of shaft 24 rotates shaft 58, which in turn. ro-

. tates gears; 35,34, itilandiSZand shafts H8. and

I20. :'Rotation of shafts M8 and lit rotates Wire guiding members I22 and I24. Rotationof shaft 56 also rotates pinionsSQ and 1.42,.ther-eby ro-- tatingsprocket it. to move. chain. L52 around sprockets Hi6 and We to thereby move theneedle ljfit in the direction as illustrated .in Figured.

Finger it will rotate over theplane oiiifinger I26 and member 122 slightly inv advanceof the notch of tfingerwiilfi, causing finger i126. to .pick

up or engage the. wire and move it .rearwardly,

that is, in a dircction,so. that it will. pass over .or beyond the inner periphery .ofthe .iorming plate 102. From the time thenotch of iingerllii reaches its rearmost position as shown in the dotted lines in Figure 9, that is, .,in;;the closest position to the Wheel St, and as -it inoves; from said position a predetermined amount oixslack occurs in the wire. -At ,t he tirne -;;the-,no, tch,. of

7c iflns :liZ- warme pos tio as .iust ide- 7 scribed, the needle I68 will be in its topmost position.

Continued rotation will cause the needle I68 to precede the finger I26, passing below said finger as it reaches its position in a horizontal plane to the left of the vertical plane passing through shafts I48 and I58 (as viewed in Figure 1). Thus the wire will be moved downwardly into the upper slot 94 (as viewed in Figure 3), but still in a predetermined loose condition. Member I24 provided with finger I28 is timed in a similar manner with respect to that of needle I88 as is member I22 (but rotates in an opposite direction), thus needle I68 will precede the notch of finger I28 passing below the plane of guiding member I24, after which the notch of finger I28 will pick up the wire, and from that point to a point where the finger is at its lowermost position, the slack previously referred to will be taken up, causing the wire to form in the shape of top flange I86 (Figure around the arcuate surface of forming flange 98.

As finger I88 passes from its lowermost position toward the upper slot 98 (Figure 3), the notch of finger I28 will be moving toward its innermost position as illustrated in Figure 9, and slack will again occur until such time as the wire is picked up by the notch of finger I28 after the needle has passed above the plane of guide member I22, at which time the second named slack will be taken up, causing the wire to be formed properly around the arcuate die surface of the lower flange I88.

Continued operation of the device will cause the formation of the coil, laying the striations of the wire in their proper parallel sequence and until the proper, selected coil size is reached. At this time timing plate I88 will have rotated through 360, at which time the flange 284 of detent 288 will have ridden around on the periphery of plate I88 entering notch I98, moving the finger I92 out of said notch against the action of spring I96. Any over-travel of shaft I18 will be permitted without danger to the wire as the plate I88 will merely slip on shaft Movement of the detent into notch I98 will permit spring 2I2 to move the cutting lever 2I8 in a counterclockwise position as Viewed in Figure 1, thereby causing the cutter blade 238 to move into cutting slot I66 of the needle I68, cutting the wire 232 giving a proper free end to the coil, the other free end being determined by the wire from the lower end of slot 84 to fastening means I48.

The coil so formed can then be removed from the die by rotating wheel 88 to cause disengagement between the threads 84 and 86, permitting the head block 68 to be removed. The coil (Figure 10) removed can then be processed in final condition and the head block 68 can be replaced readily for another operation by replacing it in the position shown in Figure 3 rotating wheel 88 to engage threads 84 and 86, it being noted that after the machine forms the coil it is not necessary to thereafter reshape the coil in any manner. If desired, the timing wheel I88 may operate a switch to deenergize motor 32 when flange 284 falls into notch I98, or may declutch said motor from shaft 34 rendering the winding device inoperative.

It is to be understood that this application is not to be limited by the exact embodiments of the device shown, which are merely by way of illustration and not limitation as various and '8 other forms of the device will, of course, be apparent to those skilled in the art without departing from the spirit of the invention or the scope of the claims.

I claim:

1. In a coil winding machine, the combination of a base member, a drive shaft rotatably supported on said base member, a forming die block supported on said base member and having a cylindrical passage therethrough, a cylindrical sleeve journalled in said passage and having one end provided with a member disposed adjacent one end of said die block for rotating said sleeve, the other end of said sleeve being disposed in said passage and being threaded, said sleeve having a passage therethrough, said drive shaft having an end extending into said last named passage and being journalled in said sleeve, said last named end of said shaft being provided with a tang mating member resiliently mounted in said shaft but rotatable thereby, the die block having top and bottom, substantially horizontal, parallel die surfaces, the other end of said die block having substantially arcuate, diverging forming die fingers, a winding head adapted to be secured to said die block, said winding head comprising a head block provided with threaded means secured thereto and adapted to be releasably engaged by the threaded end of said sleeve to releasably secure said head block to said die block, said head block having a rotatable driven shaft journalled therein provided at its inner end with a tang engageable with said tang mating member whereby rotation of said drive shaft rotates said driven shaft, said head block having top and bottom spaced arcuate flanges engaging the top and bottom die surfaces respectively, and a forming plate provided on said head block projecting from each arcuate flange and spaced from said surfaces forming horizontal top and bottom die recesses, said head block having vertically extending arcuate surfaces spaced from said arcuate die fingers forming vertical die recesses on each side of said head block communicating with said top and bottom die recesses, vertically disposed top and bottom jack shafts journalled in said head block and rotated by said driven shaft, said jack shafts being provided, respectively, with top and bottom wire winding guiding members fixed to said shafts and rotatable on said forming plates, said jack shafts rotating in opposite directions, said guiding members each having a guiding finger projecting beyond said forming plates, spaced sprockets pivoted to shafts secured to said head block, the axes of said shafts being in a vertical plane through the axis of said driven, drive and jack shafts, means between said driven shaft and one of said sprockets for rotating said last named sprocket, a chain passing over said sprockets to be moved upon rotation thereof, said chain having a needle for leading wire to said recesses, said needle having a cutting recess through which the wire runs in passing through said needle, and means on said head block for securing the free end of the wire to be wound into a coil, rotation of said driven shaft causing the needle to lead the wire past one of said fingers, thereafter causing said last named finger to engage said-wire, continued movement of the needle and last named finger causing movement of the wire into one of the horizontal recesses, and therefrom into one of the vertical recesses past the other finger, said last named finger and needle passing the wire through the other horimental recessvt the other vertical-recess, and thence upwardly to again lead theawire. to a position 130.2 06 engaged by thefirst named finger, whereupon the. cyclemay be. repeated a predeterminednumber-of timesto wind the coilto the-'shapeof the adjacent parts-forming said recesses.

2. Ina coil winding machine, the combination of: a rotatable drive shaft,- a-z-forming dieblock having a -cyii-ndrical passage 'thBICthIOHgh, a cy,- lindrica'lsleeve" journalled in said passage and having one: end'providedwith-a member disposed adjacent one end ofsaid-die. block for rotating. saidsleeve, the .other end. of: said sleeve being disposed in said passage and provided with securing: means, said sleeve having a passage therethrough,- said drive shafthaving an end extending into'said last. named-passage and be-.- ing? journalled. in said sleeve, 1 said last I named end of saidshaft-being.provided with coupling means,-.thedie block. having top. and bottom die surfaces, .the other end of said die block-having forming die means, a winding headadapted to be secured to said die block, saidwinding head comprising? a head block provided with securing means for connection to :said first named securing-i meansto releasablysecure said head block to said die block; said head block having a 1'0 tata-ble driven-shaft journalled therein provided at: its "inner end with coupling means engageable with said first named couplingmeanswhereby rotation of said drive shaft rotates said driven shaft, said head block having top. and b'ottom spaced formed flanges engaging the. top. and

bottom diesurfaces; respectively, and a forming plateprovided on said'h'ead block-projecting from each =fiange=and spaced fromsaicl surfaces forminghorizontal-topfiand bottom die. recesses, said head block having vertically" extending surfaces spaced from: said forming die means forming vertical die rece'sses'on eachside'of said head block-communicating" with said tcp and bottom die recesses; vertically disposed top and bottom jaclo shafts journalled in said head block and rotated by" said driven' shaft, saidjack shafts being provided, respectively, with top and-bottom wire winding guiding members fixed to said shafts'and rotatable on saidforming plates, said jack shafts rotating inopposite directions; said guiding members" each having a guiding finger projecting beyond said forming: plates, spaced sprocketspivoted 'tu shafts secured to said head b1oci ,.the axesof said shafts being in a vertical plane through the'axis of said driven, drive and jack shafts, meansbetween said driven. shaft and one of' said sprockets for rotating said last named sprocket, a chain passing over said sprockets to be moved upon rotation thereof said chainhaving a needle for leading wire to. said recesses, .and"means on saidhead block for securingthe free end ofthe wire tobe wound into a-coil rotation of said driven-shaft causingthe needle t'o lead the wire past one of said fingers, thereafter causing said last named finger toengage saidwire, continued movement of the needle and last named finger causing: movement of the wire into one of the horizontal recesses, and therefrominto one of the vertical recesses past the other finger, said last named finger. and needle'passing the wire through'the other'horizontal recess to the other vertical recess, and thence: upwardly toagain lead the Wire to a position to be engaged by the firstnamedfinger, whereupon the cycle may be repeated 2; predetermined number of timesto" wind thecoil. to

. 1.0 the shapa. of the; adjacent. parts. forming; said. recesses.

3.; In arcoilmwinding machine, .th'ercombination of a I rotatable. drive. shaft, ,a, forming die .block having- .aecylindrical passage .therethrough .3 cylindrical sleeve. .lOurnalled in said passage .and having one endrprovidedrwith amember dise posedhadjacentone. end of said dieblock for r0.- tatin-g, said. sleeve, .the other, end of said. sleeve being disposed in said passage..and..being,.provided. with. securing means, said. sleeve having a passage therethrough;saiddrive shaft having an end extending; intos said. last inamed... passage and being-,journalled. in saidsleeve, said last named .-end.ofsaidlsh-aft. being provided with coupling.means,..the.die block having top. and bottomdiesurfaces theother. end. of saiddie block having. spaced: vertically Y extending. form: ing die means,;. a winding, head... adapted. to. be secured: tosaid. die.=block, said. winding head comprising ahead bloclsprovided, with securing means. for. connection to said-first named securing. means-Ito :releasably secure said head block to -said die block, saidohead. block l. having. a ro. tatablecdrivenzshaft journalledltherein provided at .its inner end with coupling zmeans driven by said first named coupling means whereby rota-.

tion of saiddrive shaft=rotates said driven shaft, saidhead block havingitop. andibcttom spaced diev memberssfonning. die portions with the top and bottom die surfaces, respectivelysaiddie portions communicating with said.forming die meansforming. a. die path therewith, top and bottom wire winding guiding members rotatably mounted :on said' headblocband rotating. in :oppositevdirections said: guiding members being driven by said. driven I shaft and eachhaving: a guiding-finger: for. receiving the wire f or. forming the. coil, spaced: sprockets pivoted: to said I head block; the axes-of: saidsprockets' being in ayertical plane through" the axis of. said driven and drive shafts; means between saiddriven shaft and'one ofv said'sprocketsvfor: rotating said last named sprocket, a chain passing over said sprockets to be moved upon rotation thereof, said:v chain having a: needle for leading the wire to.= said diezpath, and? means on said head i block fonsecuring-the-free end of the wire to :be wound into a. coil, .rotation of saiddrivenshaft causing the needle to: lead the wire past one of said fingers';-thereaft'er causing said: last named finger toengage. said. wire; continued movement of the needle and last namedrfinger'causingz movement of the wire into a portion of: thezdie'path, and therefrom. into anothen portion of theqdie path past. the other finger, said-.lastznamed-finger and needle continuing: to passthe wire into: the die path and thence: to: again. lead tothe first named finger, whereupon: the cycle maybe repeate'd a.predeterminednumber of times to wind thescoilztorthe shape-of. the die path 4; In acoihwindingmachine; the combination of a rotatable drive shaft-,a forming die block, said drive? shaft being journalled" insaid block one end: of said shaft; beingv provided with coupling: means, a winding: head adapted to' be secured to said die' block, said Winding headcomprising: a head blockprovided with means adaptedito be releasablysecuredtosaid die block, said head blockv having arotatable driven shaft journalledtherein-provided at' its inner end with coupling means driven: by said first named coupling: means. whereby rotation: of said drive shaft rotates said: driven shaft,, said; head block and said :die'block, forming a shaped die recess, wire Winding guiding means movable by said driven shaft, a needle driven by said driven shaft in a predetermined manner with respect to said wire winding guiding means for leading wire to said recess, and means on said head block for securing the free end of the wire to be wound into a coil, rotation of said driven shaft causing the needle and winding guiding means to lead and deposit the wire into the recess in a predetermined manner.

5. In a coil winding machine, the combination of a rotatable drive shaft, a forming die block, said drive shaft being journalled in said block, one end of said shaft being provided with coupling means, a winding head adapted to be secured to said die block, said winding head comprising a head block provided with means adapted to be releasably secured to said die block, said head block having a rotatable driven shaft journalled therein provided at its inner end with couling means, driven by said first named coupling means whereby rotation of said drive shaft rotates said driven shaft, said head block and said die block forming a shaped die recess, wire Winding guiding means movable by said driven shaft and a needle driven by said driven shaft in a predetermined manner with respect to said wire winding guiding means for leading wire to said recess, rotation of said driven shaft causing the needle and winding guiding means to lead and deposit the wire into the recess in a predetermined manner. v

6. In a coil winding machine, the combination of a rotatable drive shaft, a forming die block, said drive shaft being journalled in said block, one end of said shaft being provided with couplin means, a winding head adapted to be secured to said die block, said winding head comprising a head block provided with means adapted to be releasably secured to said die block, said head block having a rotatable driven shaft journalled therein provided at its inner end with coupling means driven by said first named coupling means whereby rotation of said drive shaft rtates said driven shaft, said head block and said die block forming a shaped die recess, wire winding guiding means rotatable by said driven shaft and a needle driven by said driven shaft in a predetermined manner with respect to said wire winding guiding means for leading wire to said recess, rotation of said driven shaft causing the needle and winding guiding means to lead and deposit the wire into the recess in a predetermined manner.

7. A winding head for a coil winding machine, said head comprising a head block provided with fastening means for releasably securing said head to the winding machine, said head block having a rotatable driven shaft journalled therein provided at its inner end with a tang adapted to engage the tang mating member of a drive shaft, said head block having spaced forming flanges, a forming block projecting from each flange at the outer surface thereof, said head block having spaced die surfaces, extending between said flanges, vertically disposed top and bottom jack shafts journalled in said head block and rotated by said driven shaft, said. jack shafts being provided, respectively, with top and bottom wire winding guiding members fixed to said shafts and rotatable on said forming plates, said jack shafts rotating in opposite directions, said guiding members each having a guiding finger projecting beyond said forming plates, spaced sprockets pivoted to shafts secured to said head block, the

axes of said shafts being in a vertical plane through the axis of said driven, drive and jack shafts, means between said driven shaft and one of said sprockets for rotating said last named sprocket, a chain passing over said sprockets to be moved upon rotation thereof, said chain having a needle for leading wire to said recesses, said needle having a cutting recess through which the wire runs in passing through said needle, and means on said head block for securing the free end of the wire to be wound into a coil.

8. A winding head for a coil winding machine, said head comprising a head block provided with fastening means for releasably securing said head to the winding machine, said head block having a rotatable driven shaft journalled therein and provided at one end thereof with coupling means whereby said driven shaft may be driven, said head block having die means thereon, winding guiding means located on opposite sides of the head block and die means and rotatable in opposite directions by said driven shaft, and a needle driven by said driven shaft in a predetermined manner with respect to said wire winding guiding means for leading wire to said die means.

9. Cutting and timing mechanism for a coil winding machine, comprising a timing shaft adapted to be rotated in a predetermined manner by the coil winding machine, a timing disk frictionally mounted on said timing shaft to be rotated thereby, said disk being provided with a notch, a notch control finger pivoted to said disk and resiliently urged to a position to at least partially obstruct said notch, said finger projecting beyond the periphery of said disk, a detent supported adjacent the periphery of said disk and resiliently urged toward said disk, a cutter member resiliently urged toward the wire, a projection on said detent for engaging said cutter member for holding said cutter member in inoperative position when said detent is in engagement with the periphery of said disk, said detent being adapted to enter said notch when rotated into position to move the control finger out of said notch thereby permitting said cutter member to move to a position to cut the wire being wound on the coil windin machine, the detent being movable to a position out of the notch permitting said control finger to move to hold said detent out of the notch thereby causing the cutter member to move to inoperative position, thus recycling the device for winding a coil.

KENLY C. BUGG.

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